DETERMINATION OF DOSIMETRIC PARAMETERS OF NEW BRACHYTHERAPY SEED (125IRSEED) USING EBT RADIOCHOMIC FILM AND TL DOSIMETERS

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LOHRABIAN V.; SHEIBANI S.; AGHAMIRI M.R.; GHOZATI B.; POURBEIGI H.; HAVASIAN M.

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Journal: JOURNAL OF ILAM UNIVERSITY OF MEDICAL SCIENCES Year:2013 | Volume:21 | Issue:1 Page(s): 78-88

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Title

DETERMINATION OF DOSIMETRIC PARAMETERS OF NEW BRACHYTHERAPY SEED (125IRSEED) USING EBT RADIOCHOMIC FILM AND TL DOSIMETERS

Author(s)

Keywords

125IQ2

DOSIMETRYQ2

DOSE RATE CONSTANTQ2

TLDQ2

EBT RADIOCHROMIC FILMQ2

Abstract

Introduction: Low dose rate brachytherapy sources have been used widely for interstitial implants in tumor sites, particularly in prostate cancer. Recently, several new designs of 125I and 103Pd sources have become commercially available for clinical applications.Materials & Methods: In this research, dosimetric characteristics of a new IrSeed 125I brachytherapy source has been determined using LiF thermoluminescent (TLD) chips and EBT RADIOCHROMIC FILM. Dose distributions around the IrSeed125I source were measured in a Plexiglass phantom using TLD-100 LiF thermoluminescent dosimeters and EBT RADIOCHROMIC FILM.Findings: Quantities such as radial dose function, g (r) for distances 2, 3 and 5 cm, and anisotropy function, F (r, q), for angels 0-180o were experimentally determined and the geometry function, G(r, q), was calculated.Discussion & Conclusion: The DOSE RATE CONSTANT, L, was measured to be 0.965±0.06 cGyh-1U-1. The dosimetric parameters that have presented for this new source, may have many clinical applications.

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APA: Copy

LOHRABIAN, V., SHEIBANI, S., AGHAMIRI, M.R., GHOZATI, B., POURBEIGI, H., & HAVASIAN, M.. (2013). DETERMINATION OF DOSIMETRIC PARAMETERS OF NEW BRACHYTHERAPY SEED (125IRSEED) USING EBT RADIOCHOMIC FILM AND TL DOSIMETERS. JOURNAL OF ILAM UNIVERSITY OF MEDICAL SCIENCES, 21(1), 78-88. SID. https://sid.ir/paper/89834/en

Vancouver: Copy

LOHRABIAN V., SHEIBANI S., AGHAMIRI M.R., GHOZATI B., POURBEIGI H., HAVASIAN M.. DETERMINATION OF DOSIMETRIC PARAMETERS OF NEW BRACHYTHERAPY SEED (125IRSEED) USING EBT RADIOCHOMIC FILM AND TL DOSIMETERS. JOURNAL OF ILAM UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2013;21(1):78-88. Available from: https://sid.ir/paper/89834/en

IEEE: Copy

V. LOHRABIAN, S. SHEIBANI, M.R. AGHAMIRI, B. GHOZATI, H. POURBEIGI, and M. HAVASIAN, “DETERMINATION OF DOSIMETRIC PARAMETERS OF NEW BRACHYTHERAPY SEED (125IRSEED) USING EBT RADIOCHOMIC FILM AND TL DOSIMETERS,” JOURNAL OF ILAM UNIVERSITY OF MEDICAL SCIENCES, vol. 21, no. 1, pp. 78–88, 2013, [Online]. Available: https://sid.ir/paper/89834/en

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